Unit One Vitamin and Coenzymes

Question 1

Vitamin precursor of coenzyme A

Answer 1

Pantothenate

Question 2

Coenzyme of biotin

Answer 2

Biocytin

Question 3

Group transfer reaction is

Answer 3

Transfer of functional group from one molecule to another

Question 4

Reaction type of folic acid

Answer 4

One carbon transfer, thymine synthesis

Question 5

Vitamins precursor of biotin

Answer 5

Biotin

Question 6

Group carried by NADH and NADPH

Answer 6

Electrons

Question 7

Example of transferases

Answer 7

Nucleoside monophosphate kinase

Question 8

Group carried by FADH2

Answer 8

Electrons

Question 9

What are the classes of enzymes

Answer 9

Oxidoreductase, transferase, hydrolases, lyases, isomerases, ligases

Question 10

Isomerases type of reaction

Answer 10

Isomerization (intramolecular group transfer)

Question 11

Coenzyme of riboflavin (B2)

Answer 11

FAD

Question 12

Vitamin precursor of FADH2

Answer 12

Riboflavin (B2)

Question 13

Function of ascorbic acid (c)

Answer 13

Antioxidant

Question 14

Group carried of thiamine pyrophosphate

Answer 14

Aldehyde

Question 15

Lyases reaction type

Answer 15

Addition or removal of groups to form double bonds

Question 16

Addition or removal of functional groups reaction is

Answer 16

Addition of functional groups to double bonds, or their removal to form double bonds

Question 17

Isomerization reaction is

Answer 17

Rearrangement of atoms to form isomers

Question 18

Ligases example

Answer 18

Aminoacyl-tRNA synthetase

Question 19

Ligases reaction type

Answer 19

Ligation of two substrates at the expense of ATP

Question 20

FMNH2 group carried

Answer 20

Electrons

Question 21

Coenzyme of folic acid

Answer 21

Tetrahydrofolate

Question 22

Function of quinone (K)

Answer 22

Blood coagulation

Question 23

Group carried tetrahydrofolate

Answer 23

One carbon units

Question 24

Vitamin precursor of thiamine pyrophosphate

Answer 24

Thiamine (B1)

Question 25

Oxidoreductase reaction is

Answer 25

Oxidation-reduction

Question 26

Reaction type of riboflavin (B2)

Answer 26

Redox

Question 27

Function of calciferol and calcitriol (D)

Answer 27

Regulation of calcium and phosphate metabolism

Question 28

Group carried nucleoside triphosphates

Answer 28

Nucleotides

Question 29

Oxidation reduction reaction is

Answer 29

Redox, electron transfer

Question 30

Vitamin precursor of tetrahydrofolate

Answer 30

Folate

Question 31

Transferases reaction type

Answer 31

Group transfer

Question 32

Group carried by coenzyme A

Answer 32

Acyl

Question 33

Alpha tocopherol function (E)

Answer 33

Antioxidant

Question 34

Hydrolases reaction type

Answer 34

Hydrolysis reaction

Question 35

Reaction type of biotin

Answer 35

Carboxylation and carboxyl transfer

Question 36

Coenzyme of pyridoxine B6

Answer 36

Pyridoxal phosphate

Question 37

Vitamin precursor of NADH and NADPH

Answer 37

Nicotinate (niacin)

Question 38

Reaction type of B12

Answer 38

Methyl transfer, intramolecular rearrangements

Question 39

Coenzyme of thiamine B1

Answer 39

Thiamine pyrophosphate

Question 40

Coenzyme of pantothenic acid

Answer 40

Coenzyme A

Question 41

Reaction type of thiamine B1

Answer 41

Aldehyde transfer

Question 42

Example of hydrolases

Answer 42

Chymotrypsin

Question 43

Coenzyme of B12

Answer 43

5’-deoxyadenosyl cobalamin

Question 44

Hydrolytic reaction is

Answer 44

Cleavage of bonds by the addition of water

Question 45

Function of retinol (a)

Answer 45

Roles in vision, growth and reproduction

Question 46

Ligation requiring ATP cleavage reaction is

Answer 46

Formation of covalent bonds

Question 47

Vitamin precursor of FMNH2

Answer 47

Riboflavin (B2)

Question 48

Group carried biotin

Answer 48

CO2

Question 49

ATP carries what group

Answer 49

Phosphoryl

Question 50

Group carried by uridine diphosphate glucose

Answer 50

Glucose

Question 51

Isomerases example

Answer 51

Triose phosphate isomerases

Question 52

Reaction type of pantothenic acid

Answer 52

Acyl group transfer

Question 53

Example of oxidoreductase

Answer 53

Lactate dehydrogenase

Question 54

Example of lyases

Answer 54

Fumarase

Question 55

Reaction type of pyridoxine B6

Answer 55

Group transfer to or from amino acids